Finding the Fourth Proportional to 52,257.42, 72,115.63 and 28,384.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,257.42 : 72,115.63 = 28,384.10 : x
2. Step 2: Convert to fraction form
   52,257.42/72,115.63 = 28,384.10/x
3. Step 3: Cross multiply
   52,257.42x = 72,115.63 × 28,384.10
4. Step 4: Simplify right side
   52,257.42x = 2,046,937,111.56
5. Step 5: Solve for x
   x = 2,046,937,111.56/52,257.42
6. Step 6: Final answer
   x = 39,170.27